Siemens 3RA2816-0EW20

The Siemens 3RA2816-0EW20 is a function module designed for star-delta (wye-delta) motor starting applications. This unit combines a lateral basic module with two coupling modules, offering a flexible time range from 0.05 to 60 seconds. It operates reliably within a voltage range of 24 to 240 VAC/DC at both 50 and 60 Hz frequencies. An integrated varistor helps protect the contactor coils by reducing voltage spikes, enhancing overall durability. The 3RA2816-0EW20 serves as a direct replacement for the older 3RT1916-2GD51 model. Distributed by BSP Automation, this module ensures the smooth and efficient control needed for motor starting sequences in various industrial settings.